ctype_graph
(PHP 4 >= 4.0.4, PHP 5)
ctype_graph -- Check for any printable character(s) except space
Description
bool
ctype_graph ( string text )
Checks if all of the characters in the provided string,
text, creates visible output.
Return Values
Returns TRUE if every character in text is
printable and actually creates visible output (no white space), FALSE
otherwise.
Voorbeelden
Voorbeeld 1. A ctype_graph() example
<?php $strings = array('string1' => "asdf\n\r\t", 'string2' => 'arf12', 'string3' => 'LKA#@%.54'); foreach ($strings as $name => $testcase) { if (ctype_graph($testcase)) { echo "The string '$name' consists of all (visibly) printable characters.\n"; } else { echo "The string '$name' does not consist of all (visibly) printable characters.\n"; } } ?>
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Het resultaat van dit script is als volgt: The string 'string1' does not consist of all (visibly) printable characters.
The string 'string2' consists of all (visibly) printable characters.
The string 'string3' consists of all (visibly) printable characters. |
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